208404872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{2477}}^1$

素因数の和:3305

約数の個数: 32

約数和(自身を含む): 421507800

約数和(自身を除く): 213102928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 809, 1618, 2477, 3236, 4954, 6472, 9908, 10517, 19816, 21034, 32201, 42068, 64402, 84136, 128804, 257608, 2003893, 4007786, 8015572, 16031144, 26050609, 52101218, 104202436, 208404872]

約数ペア:

[(1, 208404872), (2, 104202436), (4, 52101218), (8, 26050609), (13, 16031144), (26, 8015572), (52, 4007786), (104, 2003893), (809, 257608), (1618, 128804), (2477, 84136), (3236, 64402), (4954, 42068), (6472, 32201), (9908, 21034), (10517, 19816)]